Comparison of augmentation methods by means of their task viability. x: Can be used for the task; o: Cannot be used for the task. Augmentations are generated on: “I wrote him a letter”.
| . | . | POS . | DEP . | SRL . | Generated . |
|---|---|---|---|---|---|
| Char | Char Insert (CI) | x | x | x | I wrrotle him a legtter |
| Char Substitute (CSU) | x | x | x | I wyote him a lettep | |
| Char Swap (CSW) | x | x | x | I wtore him a lteter | |
| Char Delete (CD) | x | x | x | I wote him a leter | |
| Token | Synonym Replacement (SR) | x | x | x | I wrote him a message |
| RW Delete (RWD) | x | o | o | I him a letter | |
| RW Swap (RWS) | x | o | o | I him wrote a letter | |
| RW Insert (RWI) | o | o | o | I wrote him a her letter | |
| Syntactic | Crop | x | x | x | I wrote a letter |
| Rotate | x | x | x | Him a letter I wrote | |
| Nonce | x | x | o | I wrote him a flower | |
| . | . | POS . | DEP . | SRL . | Generated . |
|---|---|---|---|---|---|
| Char | Char Insert (CI) | x | x | x | I wrrotle him a legtter |
| Char Substitute (CSU) | x | x | x | I wyote him a lettep | |
| Char Swap (CSW) | x | x | x | I wtore him a lteter | |
| Char Delete (CD) | x | x | x | I wote him a leter | |
| Token | Synonym Replacement (SR) | x | x | x | I wrote him a message |
| RW Delete (RWD) | x | o | o | I him a letter | |
| RW Swap (RWS) | x | o | o | I him wrote a letter | |
| RW Insert (RWI) | o | o | o | I wrote him a her letter | |
| Syntactic | Crop | x | x | x | I wrote a letter |
| Rotate | x | x | x | Him a letter I wrote | |
| Nonce | x | x | o | I wrote him a flower | |